JE Pistons is proud to partner with Precision Concepts Racing for the 2019 season. When it was time for a new piston in one of their 2019 KX450s, we stopped by their shop to go over some tips with their Lead Mechanic, Phil Valdez.

JE Pro Series pistons for off-road motorcycles are a result of extensive engineering and R&D for a feature-rich piston that delivers performance and strength. See how Pro Series accomplishes professional-level performance here.

So, you have a set of pistons that you want to re-ring, but you don't which rings to order. Here, we go over the options you have for measuring your old rings or ring grooves so JE can get you the rings you need.